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RV Investigator Voyage IN2024_V01 SBP120 Sub-bottom Profiler Data

Created 12/10/2024

Updated 12/10/2024

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This record describes sub bottom profiler data collected on RV Investigator voyage IN2024_V01, 'Multidisciplinary Investigations of the Southern Ocean' which departed Hobart on 05/01/2024 and returned to Fremantle on 05/03/2024.

The Kongsberg SBP120 (sub bottom profiler) was used to acquire data containing the specular reflections at different sediment interfaces below the seafloor from Hobart, along the Antarctic ice edge to Fremantle.

The SBP120 provides a 3° by 3° angular resolution.

The echosounder's frequency sweep range is from 2.5 to 7 kHz. The SBP120 was logged continuously for the extent of the voyage.

Data are stored in .raw and .seg formats at CSIRO. There are 775 files totalling 29.8 GB of raw data in this dataset.

The segy format data had a real time processing stream applied, which applies gain, a gain correction, matched filter with replica shaping, an attribute calculation for instantaneous amplitude and time variable gain.

Additional information regarding this dataset is contained in the GSM data acquisition and processing report. Additional data products may be available on request

Files and APIs

Additional Info

Field Value
Title RV Investigator Voyage IN2024_V01 SBP120 Sub-bottom Profiler Data
Language eng
Licence Not Specified
Landing Page https://devweb.dga.links.com.au/data/dataset/1c27dc84-20e3-4dd4-adf8-6b76b3adea95
Contact Point
Atlantic Oceanographic and Meteorological Laboratory (AOML)
NCMIGeophysicalSurveyMapping@csiro.au
Reference Period 17/05/2024
Geospatial Coverage
Map data © OpenStreetMap contributors
Data Portal Data.gov.au